XC68HC705F32 Motorola, XC68HC705F32 Datasheet - Page 75

• Manufacturer Part Number: XC68HC705F32
• Description: MICROCONTROLLER
• Manufacturer: Motorola

7.1
The DTMF/melody generator (DMG) is a multi-functional tone generator built into the
MC68HC05F32 MCU which supports DTMF dialling, melody-on-hold and pacifier tone functions.
7.1.1
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MC68HC05F32
4 row and 4 column frequencies for DTMF dialling
24 row and 24 column frequencies for dual tone melody
28 frequencies for pacifier tone to acknowledge button pressed for pulse dialling
Power saving mechanism for output disable condition
3.579MHz/2 operation
6-bit D/A converter and 28 time steps for sine wave generation
Sine wave or square wave selectable output for melody (or DTMF)
Single or dual tone capability for melody (or DTMF)
Introduction
Features
DTMF/MELODY GENERATOR
DTMF/MELODY GENERATOR
7
MOTOROLA
TPG
7-1
7